Madrazo, N. D. D., Digal, L. N., & Concepcion, S. B. (2011). Valencia School of Sciences. School of Management, University of the Philippines Mindanao.
Citazione stile Chigago Style (17a edizione)Madrazo, Natividad Dulce D., Larry N. Digal, e Sylvia B. Concepcion. Valencia School of Sciences. Davao City: School of Management, University of the Philippines Mindanao, 2011.
Citatione MLA (9a ed.)Madrazo, Natividad Dulce D., et al. Valencia School of Sciences. School of Management, University of the Philippines Mindanao, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.